Table 3 Values of the critical indentation depth (hc), Nix Gao parameters, change in hardness (∆H) and hardening rate for unirradiated and irradiated NiCrMo samples.

From: A comprehensive study on the impact of He ion irradiation on the microstructure and mechanical properties of a Ni-Cr-Mo alloy

Samples

hc (nm)

H0 (GPa)

h* (nm)

∆H (GPa)

Hardening rate

(MPa/dpa)

Defect density

(in terms of dislocation density)

(1014/m2)

Unirradiated

–

2.48

266

  

5.8

0.72 dpa

243

3.0

174

0.52

722

8.4

4.85 dpa

238

3.35

143

0.87

403

10.5

17.1 dpa

227

3.51

131

1.03

49

11.6

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